51484440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61291}}^1$

素因数の和:61312

約数の個数: 64

約数和(自身を含む): 176520960

約数和(自身を除く): 125036520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61291, 122582, 183873, 245164, 306455, 367746, 429037, 490328, 612910, 735492, 858074, 919365, 1225820, 1287111, 1470984, 1716148, 1838730, 2145185, 2451640, 2574222, 3432296, 3677460, 4290370, 5148444, 6435555, 7354920, 8580740, 10296888, 12871110, 17161480, 25742220, 51484440]

約数ペア:

[(1, 51484440), (2, 25742220), (3, 17161480), (4, 12871110), (5, 10296888), (6, 8580740), (7, 7354920), (8, 6435555), (10, 5148444), (12, 4290370), (14, 3677460), (15, 3432296), (20, 2574222), (21, 2451640), (24, 2145185), (28, 1838730), (30, 1716148), (35, 1470984), (40, 1287111), (42, 1225820), (56, 919365), (60, 858074), (70, 735492), (84, 612910), (105, 490328), (120, 429037), (140, 367746), (168, 306455), (210, 245164), (280, 183873), (420, 122582), (840, 61291)]